<html>
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
    <title>websocket客户端</title>
    <script type="text/javascript">
        var socket;
        if (!window.WebSocket) {
            window.WebSocket = window.MozWebSocket;
        }
        if (window.WebSocket) {
            socket = new WebSocket("ws://localhost:8888/websocket");
            socket.onmessage = function (ev) {
                var ta = document.getElementById("responseContent");
                ta.value += ev.data + "\r\n";
            }

            socket.onopen = function (ev) {
                var ta = document.getElementById("responseContent");
                ta.value += "您当前的浏览器支持websocket，请进行后续操作\r\n";
            }

            socket.onclose = function (ev) {
                var ta = document.getElementById("responseContent");
                ta.value = "";
                ta.value = "websocket连接已经关闭\r\n";
            }
        } else {
            alert("您的浏览器不支持websocket");
        }

        function send(message) {
            if (!window.WebSocket) {
                return;
            }
            if (socket.readyState == WebSocket.OPEN) {
                socket.send(message);
            } else {
                alert("websocket连接没有建立成功");
            }
        }

    </script>
</head>
<body>

<form onsubmit="return false;">
    <input type="text" name="message" value=""/>
    <br/><br/>
    <input onclick="send(this.form.message.value)" type="button" value="发送websocket请求消息"/>
    <hr color="red"/>
    <h2>客户端接收到服务端返回的应答消息</h2>
    <textarea id="responseContent" style="width:1024px;height:300px;">

    </textarea>
</form>

</body>
</html>